(@ all) Could you please use royalty free music in your videos? This video was automatically flagged for using unlicensed music and is not available in germany.
Besides that - keep up the good work. It is always nice to see some actual footage of the device.
@myndale It would be very interesting to see the how much performance the player requires. Would it be faster if you included the raw data into the source file (e.g. for speech or other sound samples)?
I increased the size of my buffers to 256 bytes and found I could execute around 10 million cycles of assembly instructions each second while the music was playing, so the player and the SD streaming together account for somewhere around 35-40% of CPU cycles.